Question

1.I'm_____(true)sorry for being late. 2.If your neighbours are too noisy,then you have cause

for_____(complain)

Answer 1

I'm truly sorry for being late 我真是太抱歉迟到了。
If your neighbours are too noisy，then you have cause for complaining
如果你的邻居太吵了，那么你有理由抱怨。